Digital coin mania

An audio version of the best of the Financial Times's Big Reads — in-depth reporting from FT correspondents around the world. Listen to longform stories that explore and explain key themes in world news, science and business. Produced by Anna Dedhar.

More than $1.8bn has been raised this year by initial coin offerings by developers who want to create a generation of internet platforms that give power to the users not the tech giants, says Richard Waters. But regulators are eyeing the cryptocurrency markets and sceptics see another bubble